or decades scientists have established increasingly alarming evidence
of the harmful effects of air pollution on our health and the health of
interrelated ecosystems on which we depend. This growing database of evidence
is documented both in laboratories and in multiyear field studies. The
extent of a community's pollution problems and the continuous evaluation
of remedies to clean up the air are monitored by an extensive outdoor
air monitoring network spread across the US. Energy sources and production
are undergoing a transformation. Historical policies are being adapted
in a partnership with nature. The way in which we as individuals and we
as communities integrate and act on scientific evidence will determine
the future.Next- Ozone in the Sierra...
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